We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

A cricopharyngeal spasm occurs when the cricopharyngeus muscle in the throat is overly or excessively contracted. Remedies can include coping techniques at home and medical treatments for the ...